unfortunately, i didnt by these from penguin. (Sorry Penguin) i got them from another shop when i
was on vacation. at first it was a little difficult getting the "moves" down pat, but then
eventually i got to the point where i have no problem doing anything. then once i took to the
street i found that these cups are not only attension getting, but also very rugged. they will last
you a long time given that you treat them well. a little word of advise though... when the copper
begins to tarnish, leave it on, it gives the crowd a good vibe that you have been doing this for a
whyle, so they might stick around longer than they intend to.